Modular Mega-prosthesis — Knee
Used after wide resection of distal femur/proximal tibia tumors. Modular systems allow intraoperative flexibility and immediate stability. Expandable designs used in children to accommodate growth. Advantages: early mobilization, good function; Disadvantages: high cost, infection risk. Survival: 70–80% implant survival at 10 years; complications include loosening, mechanical failure.
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10What is the primary oncological indication for the use of modular mega-prosthesis in the knee?
mcqWhich of the following is a major advantage of using modular mega-prostheses?
mcqWhat is the recommended neoadjuvant chemotherapy regimen for osteosarcoma?
mcqWhich of the following complications is most commonly associated with modular mega-prostheses?
mcqIn the context of modular mega-prostheses, what does the term 'expandable designs' refer to?
mcqWhat is the typical implant survival rate at 10 years for knee modular mega-prostheses?
mcqWhich surgical principle is paramount when performing limb salvage using a modular mega-prosthesis?
mcqWhich of the following is a common method to provide soft tissue coverage after distal femoral replacement?
mcqWhat type of modular mega-prosthesis is most commonly performed?
mcqWhat is the significance of Huvos grading in the context of neoadjuvant chemotherapy for osteosarcoma?